{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "application", "machanical property", "process parameter", "manufacturing standard", "engineering feature"], "input": "Wire and arc additive manufacturing ( WAAM ) , using cold metal transfer ( CMT ) as heat source , exhibits a great potential for additive manufacturing of magnesium alloys due to low heat input ."}
{"machine or equipment": [], "application": ["source"], "machanical property": [], "process parameter": [], "manufacturing standard": [], "engineering feature": []}